Cylinder-lock



S. SEGAL.

CYLINDER LOCK. APPLICATION FILED DEC. 10. 1920.

1,399,159. Patented Dec. 1 21.

-lllllll l'flll////// ante 7W 20 I )7 1 alien x01 5 UNITED STATES PATENT OFFICE.

SAMUEL SEGALOF NEW YOIIRJK, N. Y., ASSIGNOR TO SEQ-AL METAL PRODUCTS GOM- PANY, INQ, OF NEW YORK, N. Y., A CORPORATION OF DELAWARE.

CYLINDER;LOCK.

Specification of Letters Patent- Application fil ed December 10, 1920. Serial No. 429,627.

T 0 all whom it may concern:

Be it known that I, SAMUEL SEGAL, a citizen of the United States, and a resident of New York in the county of New York and State of New York, have invented certain new and useful Improvements in Cylinder- Locks, of which the following is a specification.

My invention relates to cylinder or pin tumbler locks, the invention relating more particularlyto the manner in which the cylinder itself is held or secured to the door to which the lock is applied.

In the conventional or ordinary form of cylinder locks the cylinder proper holding the pin tumblers and key plug is at present usually held or secured within an annular opening in the door by means of suitable bolts extending through a plate supported in or on the door or through a wall of the lock casing itself and engaging the cylinder or a portion thereof to prevent said cylinder from being withdrawn forwardly through the annular opening and thus preventing access to the look mechanism from without the door. This means of fastening the cylinder in position is combersome and impracticable as the length of the fastening bolts varies depending on the thickness of the door as is obvious. If the bolts supplied are short and a thick door is encountered new bolts of the correct length must be secured while if long bolts are supplied and a thin door is encountered the bolts must be cut off, this requiring measuring of the thickness of door and length of bolts, the locksmiths time and .the proper tools to properly perform the cutting operation. Moreover, if the bolts are too long, the average layman when attempting to himself apply the lock' to the doors must have the bolts cut to the required length which entails addition'al expense or,.if he attempts to cut them himself, he is veryapt to injure the bolts or bend them thus renderingthem unserviceable.

It is the principal object of my invention to obviate the disadvantages hereinbefore recited and to provide novel and eflicient means whereby the lock cylinder may be properly secured or fastened in position without the provisio'n'of means which must be fastened to the lock casing or to a separate plate. 1

A further object of my invention is the provision of suitable and novel -means adapted vto secure the lock cylinder in position in an opening in the door irrespective of'the thickness of said door, which means shall also act to draw the cylinder within said opening whereby the conventional escutcheon carried by or forming a part of said cylinder will be clamped against the door.

A further object of" the invention is the provision of a lock cylinder which may be secured in proper position by novel and effective means, said lock cylinder being entirely free-from and disconnected from the lock casing or parts thereof. v

A further object of the invention is th provision of novel means adapted to engage the lock cylinder and the wall of the opening in which the cylinder is mounted which shall prevent the forward withdrawal of said cylinder through said opening.

Still a further object of the invention is the production of a novel spindle connected to the key plug within the cylinder and which is adapted to operate the lock mechanism, which spindle shall be adjustable as to its length to meet varying conditions as respects the thickness of the door.

Further and other objects and advantages of the invention will appear from the following description, the invention consisting in the novel parts and combinations of parts hereinafter more particularly described and Figure 1 is a horizontal section through a door showing plied thereto.

' Fig. 2 is a side elevation of the invention .as applied to a door which is shown in section.

Fig. 3 is an end view of the lock cylinder.

my invention in elevation ap- 7 Fig. 4 is a horizontal section on the line 44 of Fig. 1,.

Fig. 5 is a front elevation of a modification.

Fig. 7 is a front elevation of a further modification.

Fig. 8 is an end viewof said modification.

Referring in detail to the drawings: a 1 indicates a door provided with an anml ar opening 2 extending therethrough. 3

Fig; 6 is an end 'view of said modification.

v indicates the cylinder of an ordinary pin tumbler lock supporting pin tumblers (not shown) in the tumbler housing 4 thereof, said cylinder holding therein the conventional key plug (not shown). The key plug has fastened thereto as by screws 5 a slotted end plate 6 engaging the end of the cylinder 3 to prevent forward withdrawal of said plug through said cylinder. 7 indicates a spindle secured to the plug and extend-- .ing rearwardly through the slot in the end spindle. The lock casing or mechanism are not shown but they may be of any suitable type. The construction of spindle shown permits its length to be varied, as is obvious, depending on the thickness of the door to which the lock is applied and the frictional engagement of the buttons 9 with the depressions 8 will hold the sleeve 10 in any desired adjusted position.

The cylinder 3 is provided with the usual annular face plate 11 of a size permitting it to fit snugly within the opening 2, said plate being preferably integral with said cylinder 3 and the tumbler housing 4 thereof, these parts preferably all comprisingasim gle structure. The face plate is provided a with the usual annular opening-(not shown) receiving thekey plug within the cylinder 3. 12 indicates a ring or escutcheon which may be integral with the said face plate 11 and which is adapted to engage the face of the door adjacent the opening 2.. 13 indicates ears which are preferably integral with said cylinder 3 and whichare provided with interiorly screw-threaded perforations receiving the screws 14.

15 indicates cylinder fasteners each having a groove 16 inthe body thereof, apoint- 1 ed prong or spur 17 at the inner end thereof and a fiat shoulder 18 adjacent said prong or spur. The opposite ends of said cylinder fasteners are reduced as at 19, said reduced ends being provided with transverse pins 20 forming a part thereof. 21 indicates fingers on the inner side of the face plate 11 and preferably integral therewith and re- CB1V11'lg th8I6b6tW8GI1 the reduced ends 19 of the cylinder fasteners 15, said fingers being bent or turned over the transverse pins 20 whereby a pivoted connection is provided between the cylinder fasteners and the cylinder or its face plate.

To properlyposition the cylinder within -erably engage said wall.

the opening 2 the screws 14 are unscrewed or unthreaded and brought into extreme inner position within the perforated ears 13 and the cylinder fasteners are swung inwardly on their pivots into a position whereby their adjacent sides or backs are substantially parallel. The cylinder is then inserted in the opening 2 and the escutcheon 12 held against the face of the door. The screws then are threaded or screwed forwardly through the perforated ears 13, the ends thereof engaging the grooves 16 in the cylinder fasteners thereby forcing said fasteners to swing or spread outwardly, whereby the prongs or spurs 17 thereof will bite into the wall of the opening 2 and the flat shoulders 18 will pref- This, as is obvious, securely locks the cylinder in the proper position within the opening 2 and prevents rotation of the cylinder or withdrawal of the same through said opening until the screws 14 are unscrewed and the prongs or spurs 17 released fromtheir'blting en agement' with the wall of said opening. he forcing of the prongs or spurs 17 into the wall. of the opening 2 by means of the screws 14 in the manner described not only acts to effectively and firmly fasten the cylinder in proper position within said openother parts of said cylinder and the sup porting of the screws 14 by said cylinder or any of said parts and with this explanation the term cylinder when used in conjunction with said cylinder fasteners or said screws is to be-construed broadly inthe appended claims as in'cluding the cylinder per se or any or all of its partsunless said parts are claimed specifically.

In the modification shown in Figs. 5 and 6 13 indicates perforated ears which are preferably integral with the cylinder 3 and which are turned or inclined from the hon- Zontal as illustrated. Said ears 13 are provided with screw-threaded perforations, as in the preferred form of the invention, reoeivin the screws 14 which are threaded theret rough. The ends of said screws 14 are adapted to-bite directly into the wall of the opening 2 instead ofbearing against an additional part, as for instance the cyllnder fasteners 15 in the preferred form, and forcing said additional part to bite into said opening wall. WVhile the invention of the modification may be used in (:On unction with doors of varying thicknesses, still there is a limit to the thickness of the door on which it may be used as, if the door is extremely thick, access may not be had to the heads of the screws let by ascrew-driver inserted within the rear of the opening 2 due to the inclined position of said screws. This difiiculty, however, is obviated in the preferred form of the invention in which the position of the screws is at right-angles to the plane of the door.

In the modification illustrated in Figs. 7 and 8 the invention ofthe preferred form is embodied in the device. The modification merely differs from the preferred form in that the cylinder 3 is centrally located as respects the face plate 111. This permits the employment of three perforated ears 13, three screws 14 and three cylinder fasteners 15 with accompanying parts for said elements having the position shown in the figures, instead of two of each of said parts as in the preferred form, whereby a more secure and effective locking of the cylinder inthe proper manifest.

What I claim as my invention is: 1. In a lock, the combination with. a wall having an opening therein, of a cylinder asposition may effected as is sociated with said wall and means engaging.

said cylinder and the wall of said opening to lock the cylinder in position and to draw said cylinder within said opening.

2. In a lock, the combination with a wall having an opening therein, of a cylinder within said opening and means engaging said cylinder and adapted to bite into the wall of said opening to lock the cylinder against withdrawal, and to draw said cylinder within said opening.v

3. In a lock, the combination with a wall having an opening therein, of a cylinder within said opening and means carried by said cylinder and adapted to bite into the wall of said opening tolockthe cylinder against withdrawal and to draw said cylinder within said opening.

4.. In a lock, the combination with a wall having an opening therein, of a cylinder within said opening and means engaging said cylinder and provided with a prong adapted to bite into the wall of said open-' ing to lock the cylinder against withdrawal and to draw said cylinder within said open mg.

5. In a lock, the combination with a wall having an opening therein, of a cylinder within said opening'and means pivoted to said cylinder and provided with a prong adapted to bite into the wall of said opening to lock the cylinder against withdrawal and to draw said ing. I

6. n a lock, h c mbin tion ith a wall cylinder within said open-' having an opening therein, of a'cylinder within said opening, a key plug within said cylinder, a spindle fastened to'said key plug and extending rearwardly through said opening and a sleeve carried by said spindle and slidable thereon.

7. In a lock, the combination with a wall having an opening therein, of a cylinder within said '0 ning, a key plug within said cylinder, a spmdle fastened to said key plug and extendlng rearwardly through said opening and provided with a depression therein and a sleeve carried by said spindle and provided with a button adapted to frictionally engage said depression.

8. In a lock, the combination with a wall having an opening therein, of a cylinder within said opening, fastening means engaging said cylinder and means carried by said cylinder adapted to force said fastening means to bite into the wall of said opening.

9. In a lock, the combination with a wall having an opening therein, of a cylinder within said opening, fastening means engaging said cylinder, an ear on said cylinder and means carried by said ear adapted to force said fastening. means to bite into the wall of said opening.

10. In a lock, the combination with a wall having an opening therein, of a cylinder within said opening, a cylinder fastener engaging said' cylinder and provided with a prong thereon and means within said opening adapted to engage said cylinder fas-' tener and force the prong thereof to bite into the wall of said opening. a

11. In a lock, the combination-witha wall having an opening therein, of a cylinder within said opening, acylinder fastener pivoted to said cylinderand provided with a prong thereon and means carried by saidv cylinder adapted to engage said cylinder having an opening therein, of a cylinder within said opening, an escutcheon on said cylinder and means engaging said cylinder and adapted to bite into the wall of said opening to lock the cylinder against with drawal and to clamp said escutcheon against said wall. a

14. In a lock, the combination with a wall having an opening therein, of a cylinder within S id opening, an escutcheon carried by said cylinder and means carried by said cylinder and provided with a prong adapted to bite into the wall of said opening to look a the cylinder against withdrawal and to force prong thereon'and a groove therein and means carried by said cylinder adapted to enterisaid groove and force said bite into the wall of said opening. 17. In a lock, the combination with a wall having an opening therein, of a cylinder within said opening, a cylinder fastener enprong to gaging said cylinder and provided with a.

prong and a shoulder thereon andmeans carried by said cylinder'adapted to engage said cylinder fastener to force the prong thereof to bite into the wall of said opening and lock said cylinand the shoulder to engage the wall of said opening.

18. In a lock fastening, the combination with a Wall having an opening-therein and the lock cylinder within said opening, of a flange associated with said cylinder and adapted to engage the surface of the wall and an adjustable device mounted 'on said cylinder and adapted to engage the wall of the opening to draw said flange against the surface of the wall.

19. In a lock fastening, the combination with a wall having an opening therein and the lock cylinder within said opening, of a' flange associated with said cylinder and adapted to engage the surface of the wall and a pair of spreading arms attached to the cylinder and adapted to engage the wall of the opening and, upon actuation,v to draw;

said flange against the surface of the wall.

Signed at New York, in the county of New York and State of New York, this 9th day of December, A. D. 1920.

SAMUEL SEGAL. Witnesses F. B. TOWNSEND, IRENE LEFKOVITZ. 

